Display Illumination - LED backlight for the digital display (Full auto LED light, selectable illumination duration, afterglow). Dual Time - Simultaneous display of the current time in two different time zones. Stopwatch - Accurate measurement of elapsed time with a touch of a button. Alarm Function - Daily Alarm: sounds each day at the time you set. Water Resistant - 100 Metre/10 Bar 10 Bar Water Resistant means that the watch is also suitable for swimming or snorkelling.